/Engine/Source/Runtime/Slate/Public/Framework/MultiBox/SToolBarComboButtonBlock.h
Constructor
FToolBarComboButtonBlock ( const [FUIAction](API\Runtime\Slate\Framework\Commands\FUIAction) & InAction, const FOnGetContent & InMenuContentGenerator, const [TAttribute](API\Runtime\Core\Misc\TAttribute)< [FText](API\Runtime\Core\Internationalization\FText) > & InLabel, const [TAttribute](API\Runtime\Core\Misc\TAttribute)< [FText](API\Runtime\Core\Internationalization\FText) > & InToolTip, const [TAttribute](API\Runtime\Core\Misc\TAttribute)< [FSlateIcon](API\Runtime\SlateCore\Textures\FSlateIcon) > & InIcon, bool bInSimpleComboBox )